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Pinacolborane, 97%

CAS: 25015-63-8 | C6H13BO2 | 127.98 g/mol

$102.74 - $342.47

Chemical Identifiers

CAS 25015-63-8
Molecular Formula C6H13BO2
Molecular Weight (g/mol) 127.98
MDL Number MFCD00674030
InChI Key UCFSYHMCKWNKAH-UHFFFAOYSA-N
Synonym pinacolborane, 4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1,3,2-dioxaborolane, 4,4,5,5-tetramethyl, 4,4,5,5-tetramethyl-1,3,2-dioxa-borolane, pinb-te, pubchem12688, acmc-209ggf, pinacolborane 5g, ksc489k6t, ucfsyhmckwnkah-uhfffaoysa-n
PubChem CID 6364989
IUPAC Name 4,4,5,5-tetramethyl-1,3,2$l^{2}-dioxaborolane
SMILES CC1(C)OBOC1(C)C
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AAL1755806
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Thermo Scientific Chemicals
L1755806
5 g
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AAL1755814
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Thermo Scientific Chemicals
L1755814
25 g
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Description

Description

Pinacolborane is used as a precursor of boronic esters by hydroboration or coupling reactions. It acts as a monofunctional hydroborating agent. It is used in the synthesis of unsymmetrical biaryls through aromatic C-H borylation-cross-coupling sequence. It is involved in the preparation of 4,4,5,5-tetramethyl-2-thiophen-2-yl-[1,3,2]dioxaborolane by reacting with 2-iodo-thiophene. Further, it is used to prepare vinylboronates by palladium-catalyzed coupling with alkenyl triflates and iodides.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Pinacolborane is used as a precursor of boronic esters by hydroboration or coupling reactions. It acts as a monofunctional hydroborating agent. It is used in the synthesis of unsymmetrical biaryls through aromatic C-H borylation-cross-coupling sequence. It is involved in the preparation of 4,4,5,5-tetramethyl-2-thiophen-2-yl-[1,3,2]dioxaborolane by reacting with 2-iodo-thiophene. Further, it is used to prepare vinylboronates by palladium-catalyzed coupling with alkenyl triflates and iodides.

Solubility
Miscible with ether, dichloromethane, tetrahydrofuran and organic solvents.

Notes
Air sensitive and moisture sensitive. Store in a cool place. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, strong acids, water, bases and alcohols.
Specifications

Chemical Identifiers

25015-63-8
127.98
UCFSYHMCKWNKAH-UHFFFAOYSA-N
6364989
CC1(C)OBOC1(C)C
C6H13BO2
MFCD00674030
pinacolborane, 4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1,3,2-dioxaborolane, 4,4,5,5-tetramethyl, 4,4,5,5-tetramethyl-1,3,2-dioxa-borolane, pinb-te, pubchem12688, acmc-209ggf, pinacolborane 5g, ksc489k6t, ucfsyhmckwnkah-uhfffaoysa-n
4,4,5,5-tetramethyl-1,3,2$l^{2}-dioxaborolane

Specifications

25015-63-8
42°C to 43°C (50 mmHg)
C6H13BO2
MFCD00674030
UN3399
Air sensitive
Miscible with ether,dichloromethane,tetrahydrofuran and organic solvents.
CC1(C)OBOC1(C)C
127.98
127.98
Pinacolborane
0.882
5°C (41°F)
1.397
5 g
7802871
pinacolborane, 4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1,3,2-dioxaborolane, 4,4,5,5-tetramethyl, 4,4,5,5-tetramethyl-1,3,2-dioxa-borolane, pinb-te, pubchem12688, acmc-209ggf, pinacolborane 5g, ksc489k6t, ucfsyhmckwnkah-uhfffaoysa-n
UCFSYHMCKWNKAH-UHFFFAOYSA-N
4,4,5,5-tetramethyl-1,3,2$l^{2}-dioxaborolane
6364989
97%
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Safety and Handling

Safety and Handling

GHS H Statement
H225-H261-H319
Highly flammable liquid and vapor.
In contact with water releases flammable gas.
Causes serious eye irritation.

P210-P223-P231+P232-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P335+P334-P363-P370+P378q-P501c

H225-H261-H315-H319-H335

DOTInformation : Transport Hazard Class: 4.3; Packing Group: II; Proper Shipping Name: ORGANOMETALLIC SUBSTANCE, LIQUID, WATER-REACTIVE, FLAMMABLE

TSCA : No

Recommended Storage : Keep cold; Store under Argon

SDS
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RUO – Research Use Only